Do not put dots on operators

Author: farmaazon

app/gui/src/project-view/components/ComponentBrowser/input.ts

@@ -282,7 +282,13 @@ export function useComponentBrowserInput(
   }
 
   function applySourceNode(text: string) {
-    return sourceNodeIdentifier.value ? `${sourceNodeIdentifier.value}.${text}` : text
+    return (
+      sourceNodeIdentifier.value ?
+        /^[a-zA-Z]/.test(text) ?
+          `${sourceNodeIdentifier.value}.${text}`
+        : `${sourceNodeIdentifier.value} ${text}`
+      : text
+    )
   }
 
   return proxyRefs({

app/rust-ffi/src/lib.rs

@@ -43,6 +43,23 @@ pub fn is_ident_or_operator(code: &str) -> u32 {
     }
 }
 
+#[wasm_bindgen]
+pub fn is_ident_or_operator(code: &str) -> u32 {
+    let parsed = enso_parser::lexer::run(code);
+    if parsed.internal_error.is_some() {
+        return 0;
+    }
+    let token = match &parsed.value[..] {
+        [token] => token,
+        _ => return 0,
+    };
+    match &token.variant {
+        enso_parser::syntax::token::Variant::Ident(_) => 1,
+        enso_parser::syntax::token::Variant::Operator(_) => 2,
+        _ => 0,
+    }
+}
+
 #[wasm_bindgen]
 pub fn is_numeric_literal(code: &str) -> bool {
     let parsed = PARSER.with(|parser| parser.parse_block(code));
@@ -74,7 +91,7 @@ mod tests {
     use super::*;
 
     #[test]
-    fn test_is_ident_or_operator() {
+    fn test_is_numeric_literal() {
         assert!(is_numeric_literal("1234"));
         assert!(is_numeric_literal("-1234"));
         assert!(!is_numeric_literal(""));